25642875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 46425600

約数和(自身を除く): 20782725

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 61, 75, 95, 125, 177, 183, 285, 295, 305, 375, 475, 885, 915, 1121, 1159, 1425, 1475, 1525, 2375, 3363, 3477, 3599, 4425, 4575, 5605, 5795, 7125, 7375, 7625, 10797, 16815, 17385, 17995, 22125, 22875, 28025, 28975, 53985, 68381, 84075, 86925, 89975, 140125, 144875, 205143, 269925, 341905, 420375, 434625, 449875, 1025715, 1349625, 1709525, 5128575, 8547625, 25642875]

約数ペア:

[(1, 25642875), (3, 8547625), (5, 5128575), (15, 1709525), (19, 1349625), (25, 1025715), (57, 449875), (59, 434625), (61, 420375), (75, 341905), (95, 269925), (125, 205143), (177, 144875), (183, 140125), (285, 89975), (295, 86925), (305, 84075), (375, 68381), (475, 53985), (885, 28975), (915, 28025), (1121, 22875), (1159, 22125), (1425, 17995), (1475, 17385), (1525, 16815), (2375, 10797), (3363, 7625), (3477, 7375), (3599, 7125), (4425, 5795), (4575, 5605)]